What are the safety equipments you should use while you are in a hvac switch yard

1 Answers   GPSC Gujarat Public Service Commission,

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Why is it prefer to initiate circuit breaker failure by "86" lockout relay not by "94" tripping relay ?!

0 Answers   OEG,

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For 415v,3phase,22kw rating of motor how to calculate MCCB rating

2 Answers   Zigma Technologies,

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how the synchronizing is obtained at bus couplers in grid substation? (because there we cannot change the frequency in one of transmission lines like in generator synchronization)

0 Answers  

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what is the rating of a power transformer?

1 Answers   ACME,

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what will happen if we give a dc supply to a transformer.?

10 Answers  

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how many wires need to be bring to the motor if its star delta starter

5 Answers  

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Due to velocity saturation, MOSFET reaches saturation a.Before Pinch off b. After pinch off c. At Q point d. Before Q point e. After Q point

1 Answers  

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In directional earth fault protection for generator, one core balance CT is for residual current, what other CT is for, which is placed on neutral?

2 Answers  

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Difference between auxliary relay & pla relay

1 Answers   Reddy Labs,

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what will happen power cables laid without gap in underground

1 Answers  

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how induction generator works?

3 Answers  

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